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SoNormalCache.h
1 #ifndef COIN_SONORMALCACHE_H
2 #define COIN_SONORMALCACHE_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) by Kongsberg Oil & Gas Technologies.
8  *
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12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
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25 \**************************************************************************/
26 
27 #include <Inventor/SbVec3f.h>
28 #include <Inventor/caches/SoCache.h>
29 #include <Inventor/system/inttypes.h>
30 
31 class SoNormalGenerator;
32 class SoNormalCacheP;
33 
34 class COIN_DLL_API SoNormalCache : public SoCache {
35  typedef SoCache inherited;
36 
37 public:
38  SoNormalCache(SoState * const state);
39  virtual ~SoNormalCache();
40 
41  void set(const int num, const SbVec3f * const normals);
42  void set(SoNormalGenerator *generator);
43 
44  int getNum(void) const;
45  const SbVec3f *getNormals(void) const;
46 
47  int getNumIndices(void) const;
48  const int32_t *getIndices(void) const;
49 
50  void generatePerVertex(const SbVec3f * const coords,
51  const unsigned int numcoords,
52  const int32_t *coordindices,
53  const int numcoordindices,
54  const float crease_angle,
55  const SbVec3f *facenormals = NULL,
56  const int numfacenormals = -1,
57  const SbBool ccw = TRUE,
58  const SbBool tristrip = FALSE);
59 
60 
61  void generatePerFace(const SbVec3f * const coords,
62  const unsigned int numcoords,
63  const int32_t *coordindices,
64  const int numcoorindices,
65  const SbBool ccw);
66 
67  void generatePerFaceStrip(const SbVec3f * const coords,
68  const unsigned int numcoords,
69  const int32_t *coordindices,
70  const int numcoorindices,
71  const SbBool ccw);
72 
73  void generatePerStrip(const SbVec3f * const coords,
74  const unsigned int numcoords,
75  const int32_t *coordindices,
76  const int numcoorindices,
77  const SbBool ccw);
78 
79  void generatePerVertexQuad(const SbVec3f * const coords,
80  const unsigned int numcoords,
81  const int vPerRow,
82  const int vPerColumn,
83  const SbBool ccw);
84 
85  void generatePerFaceQuad(const SbVec3f * const coords,
86  const unsigned int numcoords,
87  const int vPerRow,
88  const int vPerColumn,
89  const SbBool ccw);
90 
91  void generatePerRowQuad(const SbVec3f * const coords,
92  const unsigned int numcoords,
93  const int vPerRow,
94  const int vPerColumn,
95  const SbBool ccw);
96 
97 private:
98  SoNormalCacheP * pimpl;
99  void clearGenerator(void);
100 };
101 
102 #endif // !COIN_SONORMALCACHE_H
The SoNormalCache class is used to hold cached normals.As an extension to the original SGI Open Inven...
Definition: SoNormalCache.h:34
The SoState class manages the Coin scenegraph traversal state data.The SoState class is used by actio...
Definition: SoState.h:35
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
The SoNormalGenerator class is used to generate normals.FIXME: document properly. ...
Definition: SoNormalGenerator.h:32
The SoCache class is the superclass for all internal cache classes.It organizes reference counting to...
Definition: SoCache.h:34

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